If drugs were people you met at a party, ganja and hashish would be the middle-aged guys in dirt-starched jeans sitting on the terrace strumming a guitar. They would say things like 'dude, check out the moon' a lot. Acid would be the amateur DJ mixing Buddha Bar and Ibiza trance, trying to catch all the pretty colours drifting from the sound speakers. Ecstasy the young girl touching herself, touching everybody, touching the walls, making love to the...